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COVER &
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SPO
2
SPO
2
■ SPO
2
monitoring is a
non-invasive technique used to
measure the amount of
oxygenated hemoglobin and
pulse rate by measuring
absorption of selected
wavelengths of light.
■ To activate SPO
2
monitoring,
securely connect the SPO
2
cable
into the appropriate blue port
on the Dash monitor. The SPO
2
parameter window will
automatically appear once the
SPO
2
probe is connected to the
cable and plugged into the
monitor.
■ To discontinue SPO
2
monitoring, remove the cable
from the monitor or disconnect
the SPO
2
probe from the cable.
The SPO
2
window will be
removed from the display.
NOTE: Correct probe placement and patient movement may
affect SPO
2
signal quality and displayed numeric value.
Good clinical practice includes proper probe placement and
maintenance of probe position on the finger to prevent false
SPO
2
readings from ambient light interference.
■ There are three indications from
the monitor that verify the
quality of the data being
displayed:
• Signal Strength Indicators:
– Three asterisks (***) =
Good signal strength.
– Two asterisks (**) =
Adequate signal strength.
– One asterisk (*) =
Poor signal strength.
• Quality of a Good SPO
2
Waveform:
– Noise or artifact may be
due to poor probe
placement or patient
movement.
Pulse Rate
Value
SPO
2
Value
Limits
and Units
Signal
Strength
Indicator
– Frequent, erratic changes in
the value or waveform may
indicate a poor signal.
NOTE: When using Masimo technology, the waveform cannot
be utilized as a quality indicator due to the fact that the
motion artifact is filtered.
• The Stability of the SPO
2
Numeric Value:
– Compare the heart rate in
the SPO
2
parameter
window with the heart rate
in the ECG parameter
window to confirm accuracy.
NOTE: It is critical to observe all three indicators at the same
time.